Any person who, having voted once, knowingly during any election where the ballot or machine lists any of the same candidates and issues listed on the ballot or machine previously used for voting by that person, (a) files an application to vote in the same or another polling place, or (b) accepts a ballot or enters a voting machine (except to legally give assistance pursuant to the provisions of this Code), shall be guilty of a Class 3 felony; however, if a person has delivered a ballot or ballots to an election authority as a vote by mail voter and due to a change of circumstances is able to and does vote in the precinct of his residence on election day, shall not be deemed to be in violation of this Code.